Home / 124,838.10-172,277.27-68,249.48

Finding the Fourth Proportional to 124,838.10, 172,277.27 and 68,249.48

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Solution

The fourth proportional to 124,838.10, 172,277.27 and 68,249.48 is: 94,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838.10 : 172,277.27 = 68,249.48 : x
  2. Step 2: Convert to fraction form
    124,838.10/172,277.27 = 68,249.48/x
  3. Step 3: Cross multiply
    124,838.10x = 172,277.27 × 68,249.48
  4. Step 4: Simplify right side
    124,838.10x = 11,757,832,890.69
  5. Step 5: Solve for x
    x = 11,757,832,890.69/124,838.10
  6. Step 6: Final answer
    x = 94,184.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.